Home / 8,200.39-11,316.30-4,615.56

Finding the Fourth Proportional to 8,200.39, 11,316.30 and 4,615.56

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Solution

The fourth proportional to 8,200.39, 11,316.30 and 4,615.56 is: 6,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.39 : 11,316.30 = 4,615.56 : x
  2. Step 2: Convert to fraction form
    8,200.39/11,316.30 = 4,615.56/x
  3. Step 3: Cross multiply
    8,200.39x = 11,316.30 × 4,615.56
  4. Step 4: Simplify right side
    8,200.39x = 52,231,061.63
  5. Step 5: Solve for x
    x = 52,231,061.63/8,200.39
  6. Step 6: Final answer
    x = 6,369.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.